diff options
| -rw-r--r-- | procps/sysctl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/procps/sysctl.c b/procps/sysctl.c index 5fa7646d1..42de374d2 100644 --- a/procps/sysctl.c +++ b/procps/sysctl.c @@ -119,14 +119,16 @@ static int sysctl_act_on_setting(char *setting) if (cptr) writing = 1; if (writing) { - if (cptr == NULL) { + if (!cptr) { bb_error_msg("error: '%s' must be of the form name=value", outname); retval = EXIT_FAILURE; goto end; } value = cptr + 1; /* point to the value in name=value */ - if (setting == cptr || !*value) { + if (setting == cptr /* "name" can't be empty */ + /* || !*value - WRONG: "sysctl net.ipv4.ip_local_reserved_ports=" is a valid syntax (clears the value) */ + ) { bb_error_msg("error: malformed setting '%s'", outname); retval = EXIT_FAILURE; goto end; |